Can quantum systems become more disordered, as thermodynamics would predict? Yes, they can - if a proper definition of "entropy" is used. It is one of the most important laws of nature that we know: ...

It is one of the most important laws of nature that we know: The famous second law of thermodynamics says that the world gets more and more disordered when random chance is at play. Or, to put it more ...

In the strange, often unintuitive world of quantum physics, one mystery has stood out for decades: Can quantum entanglement be manipulated in a reversible way, like energy in a perfect heat engine?

Physicists are rethinking one of quantum mechanics’ biggest puzzles: how fuzzy possibilities become definite reality. New ...

We never measure time directly; instead, we use clocks to measure moments in time, meaning “time” is just a measurement of change in other systems rather than an entity itself. This would imply that ...

Theories of quantum mechanics predict that some particles can exist in superpositions, which essentially means that they can be in more than one state at once. When a particle's state is measured, ...

A team of theoretical researchers used thermal effective theory to demonstrate that quantum entanglement follows universal rules across all dimensions. Their study was published online on August 5, in ...

It looks like time travel, closed timelike curves, quantum mechanics, and quantum entanglement are once again at the centre ...

A key step toward silicon-based quantum computers has been made by an international team of researchers. The scientists showed that quantum bits of data, known as "qubits," could be encoded within a ...

Physicists have long sensed that the usual picture of events unfolding as a sequence of causes and effects doesn’t capture the fundamental nature of things. They say this causal perspective probably ...

Physics is supposed to be the most reliable science. Gravity works the same way everywhere. Light always travels at the same ...